Table 1.
Demographic characteristics of study population
| Healthy elderly (n=791) | |
|---|---|
| Men | 233 (29.5) |
| Women | 558 (70.5) |
| Education, mean (SD), year | 8.7 (4.6) |
| Age, mean (SD), year | 75.6 (5.4) |
| Body mass index, mean (SD) | 27.1 (5.1) |
| Ethnic group ‡ | |
| White/Non-Hispanic | 152(19.2) |
| Black/Non-Hispanic | 250(31.6) |
| Hispanic | 384 (48.6) |
| APOE genotype 4/4 | 13 (1.6) |
| APOE genotype 4/- | 220 (27.8) |
| APOE genotype -/- | 549 (69.4) |
| Smoking Habit | |
| Never smoker | 387 (48.9%) |
| Past smoker | 278 (35.1%) |
| Current smoker | 126(15.9%) |
| No Diabetes | 652 (82.4) |
| Diabetes, not treated | 29 (3.7) |
| Diabetes, treated | 104 (13.2) |
| No heart disease | 670 (84.7) |
| Heart disease, not treated | 22 (2.8) |
| Heart disease, treated | 93 (11.8) |
| No hypertension | 338 (42.7) |
| Hypertension, not treated | 127 (16.6) |
| Hypertension, treated | 318 (40.2) |
Values are expressed as number (percentage) unless otherwise indicated. Some percentages are based on an incomplete sample due to small amounts of missing data.
‡
Classified by self-report using the format of the 1990 US census49.